APU CONTROL BOX ENGINE OIL PRESSURE GAUGE READS ZERO WITH APU ENGINE RUNNING (cont)

APU CONTROL BOX ENGINE OIL PRESSURE GAUGE READS ZERO WITH APU ENGINE RUNNING - TM-9-2350-292-20-1_118

APU CONTROL BOX ENGINE OIL PRESSURE GAUGE READS ZERO WITH APU ENGINE RUNNING - TM-9-2350-292-20-1_120

TM-9-2350-292-20-1 Carrier Ammunition Tracked M992A1(NSN 2360-01-362-3021) EIC:AE6 Manual
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TM 9--2350--292--20--1 0016 00--2 APU CONTROL BOX ENGINE OIL PRESSURE GAUGE READS ZERO WITH APU ENGINE RUNNING -- CONTINUED 0016 00 CONTINUED FROM STEP A CONTINUED ON NEXT PAGE C Is 24 V dc present? no yes 1. Disconnect harness 4W700 connector P1 at the APU control box. 2. Turn MASTER switch ON (TM 9--2350--292--10). 3. Place red multimeter lead on harness 4W700 connector P1 socket N and black multimeter lead on vehicle ground. Check for voltage. 4. Turn MASTER switch OFF (TM 9--2350--292--10). Repair (WP 0290 00) or replace (WP 0332 00) harness 4W700. Verify fault is corrected.

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